Seiko Cal. 4438 - 255

The 4438-255 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-0e61f5bec386]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1969

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